P0742 Oldsmobile Code - Torque Converter Clutch Circuit Stuck On
Quick Answer
The Torque Converter Clutch (TCC) solenoid valve is a normally-open exhaust valve that is used with the Torque Converter Clutch Pulse Width Modulation (TCC PWM) solenoid valve in order to control fluid acting on the converter clutch apply valve. Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty torque converter clutch solenoid valve. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0742 Oldsmobile indicates Torque Converter Clutch Circuit Stuck On.
- Common causes
- Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty torque converter clutch solenoid valve.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0742 Oldsmobile Description
What are the Possible Causes of the DTC P0742 Oldsmobile?
- Low transmission fluid level
- Dirty transmission fluid
- Faulty torque converter clutch solenoid valve
- Torque converter clutch solenoid valve harness or connectors
- Torque converter clutch solenoid valve circuit is open or shorted
- Transmission internal mechanical problem
How to Fix the DTC P0742 Oldsmobile?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
There is a factory service bulletin for the following Oldsmobile Models:
2001-2002 Oldsmobile Intrigue
2001-2003 Oldsmobile Silhouette
2001-2004 Oldsmobile Silhouette EXT
Oldsmobile Factory Service Bulletin OBDII Code P0742
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0742 Oldsmobile code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0742 Oldsmobile Code
1. What are the common symptoms of OBDII code P0742 in an Oldsmobile related to the Torque Converter Clutch Circuit Stuck On?
- Common symptoms include engine stalling at stops, decreased fuel efficiency, and the transmission slipping or overheating.
2. What are the possible causes of OBDII code P0742 in an Oldsmobile indicating the Torque Converter Clutch Circuit Stuck On?
- Possible causes include a faulty torque converter clutch solenoid, a defective torque converter, low transmission fluid levels, or issues with the transmission control module.
3. How can I diagnose the OBDII code P0742 in my Oldsmobile that points to the Torque Converter Clutch Circuit Stuck On?
- Diagnosis typically involves using a scan tool to retrieve the code, checking the transmission fluid level and condition, and conducting a thorough inspection of the torque converter and related components.
4. Is it safe to continue driving my Oldsmobile with OBDII code P0742 related to the Torque Converter Clutch Circuit Stuck On?
- It is not recommended to drive the vehicle with this code as it can lead to further damage to the transmission and potentially compromise safety.
5. Can I reset the OBDII code P0742 in my Oldsmobile indicating the Torque Converter Clutch Circuit Stuck On without fixing the underlying issue?
- While you can clear the code temporarily, it is crucial to address the root cause to prevent recurring issues and potential transmission damage.
6. What are some repair tips for resolving OBDII code P0742 in an Oldsmobile with the Torque Converter Clutch Circuit Stuck On?
- Repair tips may include replacing the torque converter clutch solenoid, inspecting and repairing damaged wiring, ensuring proper transmission fluid levels, and updating the transmission control module software.
7. How much does it typically cost to repair OBDII code P0742 in an Oldsmobile related to the Torque Converter Clutch Circuit Stuck On?
- Repair costs can vary depending on the exact cause of the issue, but expect to pay between $200 to $800 for parts and labor.
8. Are there any preventive measures to avoid encountering OBDII code P0742 in an Oldsmobile due to the Torque Converter Clutch Circuit Stuck On?
- Regular transmission fluid checks and changes, timely maintenance of the torque converter components, and addressing any transmission-related issues promptly can help prevent this code from appearing.
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